Loading view. There were no results found. There were no results found. Pittsburg Library – Contra Costa County Library Events Venues Pittsburg Library – Contra Costa County Library 80 Power Ave Pittsburg, CA 94565 United States Get Directions Events at this venue Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file